Global Patent Index - EP 4362314 A1

EP 4362314 A1 20240501 - POWER CONVERSION DEVICE AND APPARATUS

Title (en)

POWER CONVERSION DEVICE AND APPARATUS

Title (de)

LEISTUNGSUMWANDLUNGSVORRICHTUNG UND -GERÄT

Title (fr)

DISPOSITIF ET APPAREIL DE CONVERSION DE PUISSANCE

Publication

EP 4362314 A1 20240501 (EN)

Application

EP 23206381 A 20231027

Priority

US 202263419819 P 20221027

Abstract (en)

A power converter employing a plurality of parallel high-frequency switching legs, and a low-frequency switching leg, is disclosed. A load may be coupled between the high-frequency switching legs and the low-frequency switching leg. A number of levels of a power waveform produced by the power converter may be higher than the number of levels of the high-frequency switching legs. The low-frequency switching leg may employ switches which may have low switching frequency characteristics, low conduction losses, and may be less expensive.

IPC 8 full level

H02M 7/49 (2007.01); H02M 1/00 (2006.01); H02M 3/158 (2006.01); H02M 7/483 (2007.01); H02M 7/487 (2007.01)

CPC (source: EP US)

H02M 1/0003 (2021.05 - US); H02M 1/0043 (2021.05 - EP); H02M 3/1584 (2013.01 - EP); H02M 3/1586 (2021.05 - EP); H02M 7/483 (2013.01 - EP); H02M 7/487 (2013.01 - EP US); H02M 7/49 (2013.01 - EP)

Citation (search report)

  • [XY] CN 213782882 U 20210723 - ZHEJIANG KUNWU TECH CO LTD
  • [XAY] EP 3174190 A1 20170531 - ABB SCHWEIZ AG [CH]
  • [XAY] EP 3852261 A1 20210721 - SOLAREDGE TECHNOLOGIES LTD [IL]
  • [XAY] QUAN ZHONGYI ET AL: "Multilevel Voltage-Source Converter Topologies With Internal Parallel Modularity", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 56, no. 1, 16 September 2019 (2019-09-16), pages 378 - 389, XP011766823, ISSN: 0093-9994, [retrieved on 20200117], DOI: 10.1109/TIA.2019.2941924
  • [X] WANG YU-PING ET AL: "Design and Implementation of Interleaved Hybrid Modulation Inverter", 2022 IET INTERNATIONAL CONFERENCE ON ENGINEERING TECHNOLOGIES AND APPLICATIONS (IET-ICETA), IEEE, 14 October 2022 (2022-10-14), pages 1 - 2, XP034244902, DOI: 10.1109/IET-ICETA56553.2022.9971641
  • [X] ZHANG LANHUA ET AL: "A high efficiency inverter design for Google little box challenge", 2015 IEEE 3RD WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA), IEEE, 2 November 2015 (2015-11-02), pages 319 - 322, XP032839604, DOI: 10.1109/WIPDA.2015.7369302
  • [X] LIU ZHUORAN ET AL: "A Novel Bidirectional Transformer-less Gridconnected Inverter with Common-Mode leakage current suppression", 2020 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC), IEEE, 15 March 2020 (2020-03-15), pages 1292 - 1297, XP033784944, DOI: 10.1109/APEC39645.2020.9124456
  • [X] "An improved single phase AC-DC topology and hybrid PWM scheme ED - Darl Kuhn", IP.COM, IP.COM INC., WEST HENRIETTA, NY, US, 8 July 2020 (2020-07-08), XP013187183, ISSN: 1533-0001
  • [XAY] CHEN QINGDONG ET AL: "New Type Single-Supply Four-Switch Five-Level Inverter With Frequency Multiplication Capability", IEEE ACCESS, IEEE, USA, vol. 8, 3 November 2020 (2020-11-03), pages 203347 - 203357, XP011820682, DOI: 10.1109/ACCESS.2020.3035883
  • [A] HUANG QINGYUN ET AL: "3kW Four-Level Flying Capacitor Totem-Pole Bridgeless PFC Rectifier with 200V GaN Devices", 2019 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), IEEE, 29 September 2019 (2019-09-29), pages 81 - 88, XP033666805, DOI: 10.1109/ECCE.2019.8913025

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4362314 A1 20240501; JP 2024065095 A 20240514; US 2024146171 A1 20240502

DOCDB simple family (application)

EP 23206381 A 20231027; JP 2023184715 A 20231027; US 202318490892 A 20231020